And even if you know the formula and calculations we don't know all your specific info and dates you made any payments and when the IRS got the payments. If you have a penalty on 1040 line 38 or want to check the IRS you can fill out form 2210.
You might be able to eliminate it or at least reduce it. You can go to Federal Taxes tab or Personal tab, under Other Tax Situations and select Start by the Underpayment Penalties. You will answer a series of questions that may reduce or eliminate the penalty. Or you can elect to have the IRS figure the penalty for you. It's form 2210.
It's under
Federal or Personal (for Home & Business Desktop)
Other Tax Situations
Additional Tax Payments
Underpayment Penalties - Click the Start or update button
How to add form 2210 for Underpayment Penalty
https://ttlc.intuit.com/community/tax-payments/help/how-do-i-add-form-2210/00/25703
IRS Form 2210
https://www.irs.gov/pub/irs-pdf/f2210.pdf
IRS Form 2210 Instructions
https://www.irs.gov/pub/irs-pdf/i2210.pdf
